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NU511-1.2A规格书替代DD311 PDF预览

NU511-1.2A规格书替代DD311

更新时间: 2024-11-15 07:08:15
品牌 Logo 应用领域
其他 - ETC 电视驱动
页数 文件大小 规格书
9页 947K
描述
NU511为台湾数能科技供大電流輸出LED应用产品之设计,脚位兼容DD312。 3V ~ 12V宽电源设计,方便您的电源取电。 单通道的电流输出设计,100mA~1.2A的通道电流输出范围; 适合大、中、小功率 LED的应用。 还支持超高速 1MHz PWM 调光。 适合恒亮及需调光应用之灯箱产品,可用于电视机背光驱动

NU511-1.2A规格书替代DD311 数据手册

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原厂授 一 代理商 深圳市 信 科技有限公司, 系人:古小姐,0755-86091963 13249827170 Q :1262314675  
2012/05/09  
High Constant Current LED Driver Datasheet NU511  
1.2A Single Channel LED Driver  
Applications  
Features  
100mA~1.2A, single channel constant current regulator  
Output current adjustable by external resistor  
3V ~ 12V wide range supply voltage  
1MHz OE dimming support  
400Hz VDD dimming support  
0V ~ 17V output sustain voltage  
low output voltage dropout  
General LED Lighting  
Decoration lighting for architecture  
LCD back lighting  
Street lamp  
0.2V dropout at 150mA output  
Package Type  
0.6V dropout at 1.2A output  
TO252-5L  
Minimized IDD consumption  
160half power thermal protect  
Less than ±4% chip current skew  
Less than 0.5%/V line regulation  
Less that 1%/V load regulation  
Green package  
NU511  
XXXX  
Product Description  
The NU511 is a single channel, open drain, linear  
constant current LED driver. With up to 1.2A driving  
current and maximum 1Mhz PWM dimming control support,  
NU511 can be used for 0.5W to 3W high power LED string  
in general or architecture decoration lighting applications.  
REXT  
Out Gnd VDD OE  
Terminal Description  
The capability of wide power supply range makes  
NU511 work stably in uncertain power supply applications.  
When the power supply voltage is changed or fluctuating,  
the output current still remain unchanged. With this dedicate  
designed function, the VDD power can be derived easily from  
the whole lighting system.  
Pin #  
Pin name  
REXT  
Function  
R external  
1
2
3
4
5
OUT  
Gnd  
VDD  
OE  
Output  
Ground  
Power  
Output enable  
The output current of NU511 is set by an external  
resistor. While in full current output, the NU511 only need  
about 0.6V drop on output channel. The minimized voltage  
drop will increase the working range that limited by LED  
forward voltage variation in lighting system, to enhance the  
system efficiency and lower the heat generation from  
NU511.  
Protection Circuit  
8KV output channel ESD protection  
- 1 -  
Please visit http://www.numen-tech.com for more patent information.  
3F., No. 96, Sec. 1, Jiafong 6th Road, Jhubei City, Hsinchu County 302, Taiwan.  
Ver.02  
TEL: +886-3-658-9936  
FAX: +886-3-550-2805  

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